Read More

In a statement on Great Northern’s website said: “There is a reported problem with the overhead line equipment, and Network Rail, who own and maintain the infrastructure, have staff attending to effect repairs.

“Whilst this is ongoing, services may be delayed or subject to alteration.

“Once the fault is repaired, the train operators will be working to restore the train service to the normal timetable as quickly as possible.”

A reduced services is operating to Hertford North from London Moorgate and services from London will not call at Harringay and Hornsey.

Read More

Great Northern tickets will be accepted on London Underground, Thameslink, London Buses (Alexandra Palace area) and Greater Anglia services.

Follow all the updates in our live blog here:

17:33

No trains will operate later tonight

Well if you were planning on catching a late train back from London tonight, we’ve got some bad news - no trains will be running on Great Northern after 11.30pm tonight:

16:22

Replacement buses will be running

Great Northern will be putting on replacement road transport services tonight between Finsbury Park and Stevenage - so that would include Hertford North and Watton-at-Stone - on a “required” basis - according to the train operators website

16:12

This is how long your train could be delayed tonight

If you are heading back to Hertford from London tonight your journey might take a lot longer than usual, we are sorry to report - being stuck at a platform isn’t the best way to spend a Friday night!

Great Northern are warning that trains could be delayed up to 40 minutes, as well as potentially being cancelled or revised

16:00

The disruption is only affecting Great Northern trains

The disruption is only currently affecting Great Northern trains - passengers on Grand Central, Hull Trains and Virgin Trains East Coast are not facing delays or cancellations at the moment